to feed drilling tool
41Surface grinding — is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or non metallic substance from a workpiece, making a… …
42MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
43Reamer — otheruses4|the metalworking tool|the kitchen utensil|Lemon reamerA reamer or ream is a tool used in machining to make existing holes dimensionally more accurate and to improve surface finish. Reamers are used mostly in the metalworking areas of… …
44Coiled tubing — In the oil and gas industries, coiled tubing refers to metal piping, normally 1 to 3.25 in diameter, used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells, which comes spooled on a large reel. Coiled …
45Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
46Grinding wheel — Grinding wheels A grinding wheel is an expendab …
47building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
48Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
49United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
50batten — Lathe Lathe (l[=a][th]), n. [OE. lathe a granary; akin to G. lade a chest, Icel. hla[eth]a a storehouse, barn; but cf. also Icel. l[ o][eth] a smith s lathe. Senses 2 and 3 are perh. of the same origin as lathe a granary, the original meaning… …
